Trace number 311134

Some explanations

A solver is run under the control of another program named runsolver. runsolver is in charge of imposing the CPU time limit and the memory limit to the solver. It also monitors some information about the process. The trace of the execution of a solver is divided into four (or five) parts:
  1. SOLVER DATA
    This is the output of the solver (stdout and stderr).
    Note that some very long lines in this section may be truncated by your web browser ! In such a case, you may want to use the "Download as text" link to get the trace as a text file.

    When the --timestamp option is passed to the runsolver program, each line output by the solver is prepended with a timestamp which indicates at what time the line was output by the solver. Times are relative to the start of the program, given in seconds, and are wall clock time (not CPU time).

    As some 'v lines' may be very long (sometimes several megabytes), the 'v line' output by your solver may be split on several lines to help limit the size of the trace recorded in the database. In any case, the exact output of your solver is preserved in a trace file.
  2. VERIFIER DATA
    The output of the solver is piped to a verifier program which will search a value line "v " and, if found, will check that the given interpretation satisfies all constraints.
  3. CONVERSION SCRIPT DATA (Optionnal)
    When a conversion script is used, this section shows the messages that were output by the conversion script.
  4. WATCHER DATA
    This is the informations gathered by the runsolver program. It first prints the different limits. There's a first limit on CPU time set to X seconds (see the parameters in the trace). After this time has ellapsed, runsolver sends a SIGTERM and 2 seconds later a SIGKILL to the solver. For safety, there's also another limit set to X+30 seconds which will send a SIGXPU to the solver. The last limit is on the virtual memory used by the process (see the parameters in the trace).
    Every ten seconds, the runsolver process fetches the content of /proc/loadavg, /proc/pid/stat and /proc/pid/statm (see man proc) and prints it as raw data. This is only recorded in case we need to investigate the behaviour of a solver. The memory used by the solver (vsize) is also given every ten seconds.
    When the solver exits, runsolver prints some informations such as status and time. CPU usage is the ratio CPU Time/Real Time.
  5. LAUNCHER DATA
    These informations are related to the script which will launch the solver. The most important informations are the command line given to the solver, the md5sum of the different files and the dump of the /proc/cpuinfo and /proc/meminfo which provides some useful information on the computer.

Solver answer on this benchmark

Solver NameAnswerCPU timeWall clock time
Spear FHS 1.0SAT 41.7517 41.765

General information on the benchmark

Namerandom/2+p/p0.8/v1295/
unif2p-p0.8-v1295-c4027-S1476745538-08-SAT.cnf
MD5SUMc77e3fe2797ba24ba2baccdc1afa561c
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.028995
Satisfiable
(Un)Satisfiability was proved
Number of variables1294
Number of clauses4026
Sum of the clauses size11273
Maximum clause length3
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 2805
Number of clauses of size 33221
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 50

Solver Data (download as text)

0.00/0.00	c (*)(*)(*)(*)(*)(*)(*)(*)(*)(*)(*)(*)(*)(*)(*)(*)(*) 
0.00/0.00	c (*)                                             (*) 
0.00/0.00	c (*)          Spear theorem prover               (*) 
0.00/0.00	c (*)        Copyright (C) 2006,2007              (*) 
0.00/0.00	c (*)     Domagoj Babic. All rights reserved.     (*) 
0.00/0.00	c (*)                                             (*) 
0.00/0.00	c (*)     There is NO warranty, not even for      (*) 
0.00/0.00	c (*) merchantability or fitness for a particular (*) 
0.00/0.00	c (*)  purpose. Please run with --license to see  (*) 
0.00/0.00	c (*)              license details.               (*) 
0.00/0.00	c (*)                                             (*) 
0.00/0.00	c (*)(*)(*)(*)(*)(*)(*)(*)(*)(*)(*)(*)(*)(*)(*)(*)(*) 
0.00/0.00	c 
0.00/0.00	c solving /tmp/evaluation/311134-1172564556/instance-311134-1172564556.cnf
41.68/41.76	s SATISFIABLE
41.68/41.76	v 1 2 -3 4 -5 6 -7 -8 9 -10 -11 12 -13 14 -15 16 -17 -18 19 -20 21 22 23 -24 25 26 -27 28 -29 30 31 -32 -33 34 35 36 37 -38 39 -40 41 42 43 -44 45 -46 47 48 49 50 51 52 53 54 55 -56 57 58 -59 60 -61 -62 63 -64 65 66 67 68 -69 70 71 72 -73 74 75 -76 -77 78 79 -80 -81 82 83 -84 -85 -86 87 -88 -89 -90 91 92 -93 -94 -95 96 -97 -98 -99 -100 101 102 103 -104 105 -106 -107 -108 -109 110 -111 112 113 -114 115 116 -117 -118 -119 -120 121 -122 123 124 -125 -126 -127 128 129 130 -131 -132 133 134 135 136 -137 138 139 -140 141 -142 143 -144 -145 146 -147 -148 149 150 151 152 -153 -154 -155 -156 157 -158 159 160 -161 -162 -163 -164 -165 166 -167 -168 -169 -170 171 -172 173 174 -175 -176 -177 -178 179 180 181 -182 183 184 185 -186 187 -188 -189 190 191 -192 -193 194 -195 196 -197 198 199 200 201 -202 -203 204 -205 206 -207 -208 209 -210 -211 212 213 -214 -215 -216 217 -218 219 -220 -221 -222 -223 224 -225 -226 227 228 -229 230 231 232 -233 234 235 -236 -237 238 239 -240 -241 242 -243 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41.68/41.76	c runtime 41.75 [s]

Verifier Data (download as text)

OK

Watcher Data (download as text)

runsolver version 3.2.0 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node23/watcher-311134-1172564556 -o ROOT/results/node23/solver-311134-1172564556 -C 1200 -M 1800 --output-limit 1,15 /tmp/evaluation/311134-1172564556/Spear-32 --model-stdout --time --spset-autotuned-fh_1_1 --dimacs /tmp/evaluation/311134-1172564556/instance-311134-1172564556.cnf 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 1200 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 1230 seconds
Enforcing VSIZE limit (soft limit, will send SIGTERM then SIGKILL): 1843200 KiB
Enforcing VSIZE limit (hard limit, stack expansion will fail with SIGSEGV, brk() and mmap() will return ENOMEM): 1894400 KiB
Solver output will be limited to a maximum of 15728640 bytes. The first 1048576 bytes and the last 14680064 bytes will be preserved
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 0.91 0.95 0.98 3/77 22294
/proc/meminfo: memFree=1799648/2055920 swapFree=4145516/4192956
[pid=22294] ppid=22292 vsize=1708 CPUtime=0
/proc/22294/stat : 22294 (Spear-32) R 22292 22294 21362 0 -1 4194304 224 0 0 0 0 0 0 0 19 0 1 0 276409563 1748992 208 18446744073709551615 134512640 135752790 4294956640 18446744073709551615 134533827 0 0 4096 0 0 0 0 17 1 0 0
/proc/22294/statm: 427 208 126 302 0 122 0

[startup+0.107355 s]
/proc/loadavg: 0.91 0.95 0.98 3/77 22294
/proc/meminfo: memFree=1799648/2055920 swapFree=4145516/4192956
[pid=22294] ppid=22292 vsize=2112 CPUtime=0.1
/proc/22294/stat : 22294 (Spear-32) R 22292 22294 21362 0 -1 4194304 349 0 0 0 10 0 0 0 20 0 1 0 276409563 2162688 333 18446744073709551615 134512640 135752790 4294956640 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/22294/statm: 528 333 145 302 0 223 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 2112

[startup+0.5154 s]
/proc/loadavg: 0.91 0.95 0.98 3/77 22294
/proc/meminfo: memFree=1799648/2055920 swapFree=4145516/4192956
[pid=22294] ppid=22292 vsize=2752 CPUtime=0.5
/proc/22294/stat : 22294 (Spear-32) R 22292 22294 21362 0 -1 4194304 506 0 0 0 50 0 0 0 23 0 1 0 276409563 2818048 490 18446744073709551615 134512640 135752790 4294956640 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/22294/statm: 688 490 145 302 0 383 0
Current children cumulated CPU time (s) 0.5
Current children cumulated vsize (KiB) 2752

[startup+1.33549 s]
/proc/loadavg: 0.92 0.95 0.98 2/78 22295
/proc/meminfo: memFree=1797400/2055920 swapFree=4145516/4192956
[pid=22294] ppid=22292 vsize=3680 CPUtime=1.33
/proc/22294/stat : 22294 (Spear-32) R 22292 22294 21362 0 -1 4194304 745 0 0 0 132 1 0 0 25 0 1 0 276409563 3768320 729 18446744073709551615 134512640 135752790 4294956640 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/22294/statm: 920 729 145 302 0 615 0
Current children cumulated CPU time (s) 1.33
Current children cumulated vsize (KiB) 3680

[startup+2.97168 s]
/proc/loadavg: 0.92 0.95 0.98 2/78 22295
/proc/meminfo: memFree=1796312/2055920 swapFree=4145516/4192956
[pid=22294] ppid=22292 vsize=4964 CPUtime=2.96
/proc/22294/stat : 22294 (Spear-32) R 22292 22294 21362 0 -1 4194304 1064 0 0 0 294 2 0 0 25 0 1 0 276409563 5083136 1048 18446744073709551615 134512640 135752790 4294956640 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/22294/statm: 1241 1048 145 302 0 936 0
Current children cumulated CPU time (s) 2.96
Current children cumulated vsize (KiB) 4964

[startup+6.25405 s]
/proc/loadavg: 0.92 0.95 0.98 2/78 22295
/proc/meminfo: memFree=1794264/2055920 swapFree=4145516/4192956
[pid=22294] ppid=22292 vsize=6764 CPUtime=6.24
/proc/22294/stat : 22294 (Spear-32) R 22292 22294 21362 0 -1 4194304 1532 0 0 0 620 4 0 0 25 0 1 0 276409563 6926336 1516 18446744073709551615 134512640 135752790 4294956640 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/22294/statm: 1691 1516 145 302 0 1386 0
Current children cumulated CPU time (s) 6.24
Current children cumulated vsize (KiB) 6764

[startup+12.7048 s]
/proc/loadavg: 0.93 0.96 0.98 2/78 22295
/proc/meminfo: memFree=1791128/2055920 swapFree=4145516/4192956
[pid=22294] ppid=22292 vsize=9732 CPUtime=12.69
/proc/22294/stat : 22294 (Spear-32) R 22292 22294 21362 0 -1 4194304 2286 0 0 0 1263 6 0 0 25 0 1 0 276409563 9965568 2237 18446744073709551615 134512640 135752790 4294956640 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/22294/statm: 2433 2237 145 302 0 2128 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 9732

[startup+25.5113 s]
/proc/loadavg: 0.94 0.96 0.98 2/78 22295
/proc/meminfo: memFree=1786968/2055920 swapFree=4145516/4192956
[pid=22294] ppid=22292 vsize=14148 CPUtime=25.49
/proc/22294/stat : 22294 (Spear-32) R 22292 22294 21362 0 -1 4194304 3399 0 0 0 2539 10 0 0 25 0 1 0 276409563 14487552 3285 18446744073709551615 134512640 135752790 4294956640 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/22294/statm: 3537 3285 145 302 0 3232 0
Current children cumulated CPU time (s) 25.49
Current children cumulated vsize (KiB) 14148

Solver just ended. Dumping a history of the last processes samples

[startup+26.2293 s]
/proc/loadavg: 0.94 0.96 0.98 2/78 22295
/proc/meminfo: memFree=1786648/2055920 swapFree=4145516/4192956
[pid=22294] ppid=22292 vsize=14412 CPUtime=26.22
/proc/22294/stat : 22294 (Spear-32) R 22292 22294 21362 0 -1 4194304 3444 0 0 0 2611 11 0 0 25 0 1 0 276409563 14757888 3330 18446744073709551615 134512640 135752790 4294956640 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/22294/statm: 3603 3330 145 302 0 3298 0
Current children cumulated CPU time (s) 26.22
Current children cumulated vsize (KiB) 14412

[startup+32.7881 s]
/proc/loadavg: 0.95 0.96 0.98 2/78 22295
/proc/meminfo: memFree=1784856/2055920 swapFree=4145516/4192956
[pid=22294] ppid=22292 vsize=16108 CPUtime=32.77
/proc/22294/stat : 22294 (Spear-32) R 22292 22294 21362 0 -1 4194304 3874 0 0 0 3265 12 0 0 25 0 1 0 276409563 16494592 3760 18446744073709551615 134512640 135752790 4294956640 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/22294/statm: 4027 3760 145 302 0 3722 0
Current children cumulated CPU time (s) 32.77
Current children cumulated vsize (KiB) 16108

[startup+36.0604 s]
/proc/loadavg: 0.95 0.96 0.98 2/78 22295
/proc/meminfo: memFree=1783896/2055920 swapFree=4145516/4192956
[pid=22294] ppid=22292 vsize=17028 CPUtime=36.04
/proc/22294/stat : 22294 (Spear-32) R 22292 22294 21362 0 -1 4194304 4108 0 0 0 3592 12 0 0 25 0 1 0 276409563 17436672 3994 18446744073709551615 134512640 135752790 4294956640 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/22294/statm: 4257 3994 145 302 0 3952 0
Current children cumulated CPU time (s) 36.04
Current children cumulated vsize (KiB) 17028

[startup+39.3368 s]
/proc/loadavg: 0.95 0.96 0.98 2/78 22295
/proc/meminfo: memFree=1783320/2055920 swapFree=4145516/4192956
[pid=22294] ppid=22292 vsize=17816 CPUtime=39.31
/proc/22294/stat : 22294 (Spear-32) R 22292 22294 21362 0 -1 4194304 4309 0 0 0 3918 13 0 0 25 0 1 0 276409563 18243584 4195 18446744073709551615 134512640 135752790 4294956640 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/22294/statm: 4454 4195 145 302 0 4149 0
Current children cumulated CPU time (s) 39.31
Current children cumulated vsize (KiB) 17816

[startup+40.984 s]
/proc/loadavg: 0.95 0.96 0.98 2/78 22295
/proc/meminfo: memFree=1782808/2055920 swapFree=4145516/4192956
[pid=22294] ppid=22292 vsize=18200 CPUtime=40.96
/proc/22294/stat : 22294 (Spear-32) R 22292 22294 21362 0 -1 4194304 4407 0 0 0 4082 14 0 0 25 0 1 0 276409563 18636800 4293 18446744073709551615 134512640 135752790 4294956640 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/22294/statm: 4550 4293 145 302 0 4245 0
Current children cumulated CPU time (s) 40.96
Current children cumulated vsize (KiB) 18200

[startup+41.3921 s]
/proc/loadavg: 0.95 0.96 0.98 2/78 22295
/proc/meminfo: memFree=1782808/2055920 swapFree=4145516/4192956
[pid=22294] ppid=22292 vsize=18328 CPUtime=41.37
/proc/22294/stat : 22294 (Spear-32) R 22292 22294 21362 0 -1 4194304 4428 0 0 0 4123 14 0 0 25 0 1 0 276409563 18767872 4314 18446744073709551615 134512640 135752790 4294956640 18446744073709551615 134558753 0 0 4096 0 0 0 0 17 1 0 0
/proc/22294/statm: 4582 4314 145 302 0 4277 0
Current children cumulated CPU time (s) 41.37
Current children cumulated vsize (KiB) 18328

[startup+41.5961 s]
/proc/loadavg: 0.95 0.96 0.98 2/78 22295
/proc/meminfo: memFree=1782808/2055920 swapFree=4145516/4192956
[pid=22294] ppid=22292 vsize=18328 CPUtime=41.57
/proc/22294/stat : 22294 (Spear-32) R 22292 22294 21362 0 -1 4194304 4440 0 0 0 4143 14 0 0 25 0 1 0 276409563 18767872 4326 18446744073709551615 134512640 135752790 4294956640 18446744073709551615 134526781 0 0 4096 0 0 0 0 17 1 0 0
/proc/22294/statm: 4582 4326 145 302 0 4277 0
Current children cumulated CPU time (s) 41.57
Current children cumulated vsize (KiB) 18328

[startup+41.6981 s]
/proc/loadavg: 0.95 0.96 0.98 2/78 22295
/proc/meminfo: memFree=1782552/2055920 swapFree=4145516/4192956
[pid=22294] ppid=22292 vsize=18328 CPUtime=41.68
/proc/22294/stat : 22294 (Spear-32) R 22292 22294 21362 0 -1 4194304 4448 0 0 0 4154 14 0 0 25 0 1 0 276409563 18767872 4334 18446744073709551615 134512640 135752790 4294956640 18446744073709551615 134526739 0 0 4096 0 0 0 0 17 1 0 0
/proc/22294/statm: 4582 4334 145 302 0 4277 0
Current children cumulated CPU time (s) 41.68
Current children cumulated vsize (KiB) 18328

Child status: 10
Real time (s): 41.765
CPU time (s): 41.7517
CPU user time (s): 41.6037
CPU system time (s): 0.147977
CPU usage (%): 99.9681
Max. virtual memory (cumulated for all children) (KiB): 18328

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 41.6037
system time used= 0.147977
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 4477
page faults= 0
swaps= 0
block input operations= 0
block output operations= 0
messages sent= 0
messages received= 0
signals received= 0
voluntary context switches= 8
involuntary context switches= 75

runsolver used 0.058991 second user time and 0.095985 second system time

The end

Launcher Data (download as text)

Begin job on node23 on Tue Feb 27 08:22:36 UTC 2007

IDJOB= 311134
IDBENCH= 20305
IDSOLVER= 131
FILE ID= node23/311134-1172564556

PBS_JOBID= 3971885

Free space on /tmp= 66559 MiB

SOLVER NAME= Spear FHS 1.0
BENCH NAME= HOME/pub/bench/SAT07/random/2+p/p0.8/v1295/unif2p-p0.8-v1295-c4027-S1476745538-08-SAT.cnf
COMMAND LINE= /tmp/evaluation/311134-1172564556/Spear-32 --model-stdout --time --spset-autotuned-fh_1_1 --dimacs /tmp/evaluation/311134-1172564556/instance-311134-1172564556.cnf            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node23/watcher-311134-1172564556 -o ROOT/results/node23/solver-311134-1172564556 -C 1200 -M 1800 --output-limit 1,15  /tmp/evaluation/311134-1172564556/Spear-32 --model-stdout --time --spset-autotuned-fh_1_1 --dimacs /tmp/evaluation/311134-1172564556/instance-311134-1172564556.cnf            

META MD5SUM SOLVER= 53b58dfa80430416a78fe762713f980c
MD5SUM BENCH=  c77e3fe2797ba24ba2baccdc1afa561c

RANDOM SEED= 182580797

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB

Linux node23.alineos.net 2.6.9-22.EL.rootsmp #1 SMP Mon Oct 3 08:59:52 CEST 2005 x86_64 x86_64 x86_64 GNU/Linux

/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 15
model		: 4
model name	:                   Intel(R) Xeon(TM) CPU 3.00GHz
stepping	: 3
cpu MHz		: 3000.216
cache size	: 2048 KB
fpu		: yes
fpu_exception	: yes
cpuid level	: 5
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx lm pni monitor ds_cpl cid cx16 xtpr
bogomips	: 5914.62
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:

processor	: 1
vendor_id	: GenuineIntel
cpu family	: 15
model		: 4
model name	:                   Intel(R) Xeon(TM) CPU 3.00GHz
stepping	: 3
cpu MHz		: 3000.216
cache size	: 2048 KB
fpu		: yes
fpu_exception	: yes
cpuid level	: 5
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx lm pni monitor ds_cpl cid cx16 xtpr
bogomips	: 5586.94
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2055920 kB
MemFree:       1800120 kB
Buffers:         37932 kB
Cached:         151040 kB
SwapCached:      15164 kB
Active:         119916 kB
Inactive:        96840 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1800120 kB
SwapTotal:     4192956 kB
SwapFree:      4145516 kB
Dirty:            1684 kB
Writeback:           0 kB
Mapped:          30396 kB
Slab:            24692 kB
Committed_AS:   770744 kB
PageTables:       1696 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264952 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 66559 MiB

End job on node23 on Tue Feb 27 08:23:19 UTC 2007